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Friday, 25 October 2013

Magnetism And Electromagnetism - Magnetic Line of Force

Points : Magnetic Line of Force, Magnetic Line of ForceDefinition Path obtained by a unit magnet in the field of a magnet is called magnetic line of force.

Properties of Magnetic Lines of Forces• Magnetic lines of forces start from a North Pole and end at the South Pole. The lines of force are continuous through the magnet.
• Two lines of force cannot pass through a common point.
• The lines of force contract longitudinally. The contraction of the lines of force explains the force of attraction between two opposite kinds of magnetic poles.
• The magnetic lines of force can pass more easily through iron than air.
• Magnetic lines of forces repel each other in horizontal direction.